| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a developing device capable of circularly conveying a developer while suppressing a load on a developer in a developing tank, and an image forming apparatus. <P>SOLUTION: A developing tank 201 of a developing device 200 is divided by a partition 207 into a first conveying path P, a second conveying path Q, a first communicating path S and a second communicating path R; a first developer conveying member 202 for conveying a developer to a developer conveying direction X is provided in the first conveying path P; a second developer conveying member 203 for conveying the developer to a developer conveying direction Y is provided in the second conveying path Q; a double spiral blade 202d comprising an inner spiral blade 202f for conveying the developer in the direction H<SB POS="POST">1</SB>and an outer spiral blade 202e for conveying the developer in the direction H<SB POS="POST">2</SB>is provided below the first conveying blade 202b of the first developer conveying member 202 in the downstream of a developer conveying direction X in the first developer conveying member 202. <P>COPYRIGHT: (C)2012,JPO&INPIT |
